Insecticidal and Antifungal Properties of Essential Oil of <i>Bidens Pilosa </i>Linn. Var. Radita (Asteraceae) Towards Stored Bambara Groundnut Insect and Fungi Pests


  • Augustin Goudoum The University of Maroua, The Higher Institute of Sahel, Department of Agriculture, Livestock and Derived Products. P.O. Box 46 Maroua - Cameroon
  • Léonard Simon Ngamo Tinkeu The University of Ngaoundere, Faculty of Sciences,
  • Martin Benoît Ngassoum The University of Ngaoundere, National High School of Agro Industrial Sciences
  • Carl Moses Mbofung The University of Bamenda, School of Technology,


Bambara groundnut, Bidens pilosa, Callosobruchus maculatus, essential oil


The present research studies in on hand the degradation of seeds due to pests: Callosobruchus maculatus and some fungi during 5 months and in other hand the efficiency of essential oil (EO) of fresh leaves of Bidens pilosa (Asteracea) to prevent these pest attacks on Bambara groundnut (BG) in the Far-North Region of Cameroon. The major constituents of the leaves EO were methyl α-pinene (14.71%), E-caryophyllene (13.47%), β-ocimene (12.83%) and cadinene (10.05%). Towards insect pest, the effective concentrations of B. pilosa that kill 50%, 80% and 99% population of C. maculatus were respectively 2.48, 3.46 and 4.07 mg/ml. At the LC50, EO protects 62.33 g of 100 g of BG after five month storage. The LC80 and LC99 of B. pilosa, reduced respectively 85 and 98% of damages of C. maculatus. Concerning fungi, 6 species beloging to 4 gender are isolated on untreated BG seeds after 5 months of storage: Aspergillus, Penicellium, Fusarium and Mucor. EO of fresh leaves of B. pilosa effectively reduced the fungal development. The sample treated with LC80 and LC99 have 4 species namely P. roquefortii (13.33 to 16.33%), A. Niger (20 to 24%), A. fumigatus (10 to 13.33%) and Mucor spp. (3.33 to 6%). This composition made clear the insecticidal and antifungal activities of the EO of B. pilosa and indicated its potential to protect BG from pest attacks..


Author Biographies

Augustin Goudoum, The University of Maroua, The Higher Institute of Sahel, Department of Agriculture, Livestock and Derived Products. P.O. Box 46 Maroua - Cameroon

Department of Agriculture, Livestock and Derived Products

Léonard Simon Ngamo Tinkeu, The University of Ngaoundere, Faculty of Sciences,

Department of Biological Sciences

Martin Benoît Ngassoum, The University of Ngaoundere, National High School of Agro Industrial Sciences

Department of Applied Chemistry

Carl Moses Mbofung, The University of Bamenda, School of Technology,

Department of Food and Bioresource Technology.


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How to Cite

Goudoum, A., Ngamo Tinkeu, L. S., Ngassoum, M. B., & Mbofung, C. M. (2016). Insecticidal and Antifungal Properties of Essential Oil of <i>Bidens Pilosa </i>Linn. Var. Radita (Asteraceae) Towards Stored Bambara Groundnut Insect and Fungi Pests. Asian Journal of Agriculture and Food Sciences, 4(2). Retrieved from